Capture values
- Last UpdatedJan 11, 2023
- 2 minute read
- PI System
- PI Server 2018
- PI Server
You capture values to save event frame or transfer attribute values to a table in the PI AF database. This can improve performance since PI AF does not execute any data references.
Note: If you add new attributes to event frames or transfers with captured values, you should recapture those values to ensure that values are also captured for the new attributes.
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In the navigator, click Event Frames.
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In the Event Frames browser, choose from the following actions.
To capture values for ...
Do this ...
All transfers or parent event frames in a collection
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Right-click a search or recent collection.
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Click Capture or Recapture Values.
Alternatively, follow these steps.
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Click a search or recent collection.
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In the viewer, right-click below the list of event frames or transfers.
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Click Capture or Recapture Values.
Child event frames in a collection
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Click a search or recent collection.
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In the viewer, click
beside each event frame for which you want to capture values.
The child event frames are displayed.
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In the viewer, use Windows selection keystrokes to select event frames and child event frames:
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To select contiguous objects, press SHIFT+<click>.
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To select non-contiguous objects, press CTRL+<click>.
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To select all displayed objects, press CTRL+A.
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Right-click a selected event frame.
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Click Capture or Recapture Values.
A single event frame
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Expand a search or a recent event frame collection.
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Select the event frame.
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Choose from the following actions.
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In the General tab, click the Capture Values link.
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Right-click and click Capture or Recapture Values.
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Note: For subsequent value captures, the link changes to Recapture Values.
A single transfer
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Expand a search or a recent transfer collection.
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Select the transfer.
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Right-click and click Capture or Recapture Values.
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In the Capture or Recapture Values window, check the status and click Close.
A Has Captured Values icon (
) is displayed in the viewer beside each event frame or transfer that has a captured
value.